Oops, that's a strange omission in the docs (though negating character classes is briefly mentioned in perlrequick and perlretut.

Just for the record, it is specifically the negation of POSIX character classes that is a perl extension - /[^a-z]/ is straight from Henry Spencer's original code.

Hugo

In reply to Re^4: regex to remove all non a-z and spaces by hv
in thread regex to remove all non a-z and spaces by coldfingertips

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